﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp4
{
    class zhengshu:Father 
    {
        public int a;
        public int b;
        public override void xiangjia()
        {
            base.xiangjia();
            Console.WriteLine("两个整数相加的和为："+(a+b));
        }
    }
}
